IPI-Congress Madrid, Spain, & International Potash Institute. (1958). Potassium Symposium, 1958: 12 papers read at the fourth [i.e. fifth] Congress of the International Potash Institute (4 sessions), Madrid 1958 = Potasio symposium, 1958. The Institute.
Cita Chicago (17th ed.)IPI-Congress Madrid, Spain, i International Potash Institute. Potassium Symposium, 1958: 12 Papers Read at the Fourth [i.e. Fifth] Congress of the International Potash Institute (4 Sessions), Madrid 1958 = Potasio Symposium, 1958. Berne, Switzerland: The Institute, 1958.
Cita MLA (8th ed.)IPI-Congress Madrid, Spain, i International Potash Institute. Potassium Symposium, 1958: 12 Papers Read at the Fourth [i.e. Fifth] Congress of the International Potash Institute (4 Sessions), Madrid 1958 = Potasio Symposium, 1958. The Institute, 1958.